| Code | Display |
| 1 |
Te Tai Tokerau/Tāmaki Makau Rau (Northland/Auckland) Region |
| 100 |
Te Tai Tokerau/Tāmaki Makau Rau (Northland/Auckland) Region, not further defined |
| 101 |
Te Aupōuri |
| 102 |
Ngāti Kahu |
| 103 |
Ngāti Kurï |
| 104 |
Ngāpuhi |
| 105 |
Ngāpuhi ki Whāingaroa-Ngāti Kahu ki Whāingaroa |
| 106 |
Te Rarawa |
| 107 |
Ngāi Takoto |
| 108 |
Ngāti Wai |
| 109 |
Ngāti Whātua |
| 110 |
Te Kawerau |
| 111 |
Te Uri-o Hau |
| 112 |
Te Roroa |
| 2 |
Hauraki (Coromandel) Region |
| 200 |
Hauraki (Coromandel) Region, not further defined |
| 201 |
Ngāti Hako |
| 202 |
Ngāti Hei |
| 203 |
Ngāti Maru (Marutuahu) |
| 204 |
Ngāti Paoa |
| 205 |
Patukirikiri |
| 206 |
Ngāti Porou ki Harataunga ki Mataora |
| 207 |
Ngāti Pükenga ki Waiau |
| 208 |
Ngāti Rāhiri Tumutumu |
| 209 |
Ngāti Tai |
| 210 |
Ngāti Tamaterā |
| 211 |
Ngāti Tara Tokanui |
| 212 |
Ngāti Whanaunga |
| 3 |
Waikato/Te Rohe Pōtae (Waikato/King Country) Region |
| 300 |
Waikato/Te Rohe Pōtae (Waikato/King Country) Region, not further defined |
| 301 |
Ngāti Haua (Waikato) |
| 302 |
Ngāti Maniapoto |
| 303 |
Ngāti Raukawa (Waikato) |
| 304 |
Waikato |
| 4 |
Te Arawa/Taupō (Rotorua/Taupō) Region |
| 400 |
Te Arawa/Taupō (Rotorua/Taupō) Region, not further defined |
| 401 |
Ngāti Pikiao (Te Arawa) |
| 402 |
Ngāti Rangiteaorere (Te Arawa) |
| 403 |
Ngāti Rangitihi (Te Arawa) |
| 404 |
Ngāti Rangiwewehi (Te Arawa) |
| 405 |
Tapuika (Te Arawa) |
| 406 |
Tarāwhai (Te Arawa) |
| 407 |
Tühourangi (Te Arawa) |
| 408 |
Uenuku-Kōpako (Te Arawa) |
| 409 |
Waitaha (Te Arawa) |
| 410 |
Ngāti Whakaue (Te Arawa) |
| 411 |
Ngāti Tüwharetoa |
| 412 |
Ngāti Tahu (Te Arawa) |
| 5 |
Tauranga Moana/Mātaatua (Bay of Plenty) Region |
| 500 |
Tauranga Moana/Mātaatua (Bay of Plenty) Region, not further defined |
| 501 |
Ngāti Pükenga |
| 502 |
Ngaiterangi |
| 503 |
Ngāti Ranginui |
| 504 |
Ngāti Awa |
| 505 |
Ngāti Manawa |
| 506 |
Ngāi Tai |
| 507 |
Tühoe |
| 508 |
Whakatōhea |
| 509 |
Whānau-A-Apanui |
| 510 |
Ngāti Whare |
| 6 |
Te Tairāwhiti (East Coast) Region |
| 600 |
Te Tairawhiti (East Coast) Region, not further defined |
| 601 |
Ngāti Porou |
| 602 |
Te Aitanga-A-Māhaki |
| 603 |
Rongowhakaata |
| 604 |
Ngāi Tāmanuhiri |
| 7 |
Te Matau a Māui/Wairarapa (Hawkes Bay/Wairarapa) Region |
| 700 |
Te Matau a Maui/Wairarapa (Hawkes Bay/Wairarapa) Region, not further defined |
| 701 |
Rongomaiwahine (Te Māhia) |
| 702 |
Ngāti Kahungunu ki Te Wairoa |
| 703 |
Ngāti Kahungunu ki Heretaunga |
| 704 |
Ngāti Kahungunu ki Wairarapa |
| 705 |
Ngāti Kahungunu, region unspecified |
| 706 |
Rangitāne (Te Matau a Maui/Hawkes Bay/Wairarapa) |
| 707 |
Ngāti Kahungunu ki Whanganui a Orotu |
| 708 |
Ngāti Kahungunu ki Tamatea |
| 709 |
Ngāti Kahungunu ki Tamakinui a Rua |
| 8 |
Taranaki (Taranaki) Region |
| 800 |
Taranaki (Taranaki) Region, not further defined |
| 801 |
Te Atiawa (Taranaki) |
| 802 |
Ngāti Maru (Taranaki) |
| 803 |
Ngāti Mutunga (Taranaki) |
| 804 |
Ngā Rauru |
| 805 |
Ngā Ruahine |
| 806 |
Ngāti Ruanui |
| 807 |
Ngāti Tama (Taranaki) |
| 808 |
Taranaki |
| 809 |
Tangāhoe |
| 810 |
Pakakohi |
| 9 |
Whanganui/Rangitïkei (Wanganui/Rangitïkei) Region |
| 900 |
Whanganui/Rangitïkei (Wanganui/Rangitïkei) Region, not further defined |
| 901 |
Ngāti Apa (Rangitïkei) |
| 902 |
Te Ati Hau Nui-A-Pāpārangi |
| 903 |
Ngāti Haua (Taumarunui) |
| 904 |
Ngāti Hauiti |
| 10 |
Manawatü/Horowhenua/Te Whanganui a Tara (Manawatü/Horowhenua/Wellington) Region |
| 1000 |
Manawatü/Horowhenua/TeWhanganui aTara(Manawatü/Horowhenua/Wellington)Region nfd |
| 1001 |
Te Atiawa (Te Whanganui a Tara/Wellington) |
| 1002 |
Muaüpoko |
| 1003 |
Rangitāne (Manawatü) |
| 1004 |
Ngāti Raukawa (Horowhenua/Manawatü) |
| 1005 |
Ngāti Toarangatira (Te Whanganui a Tara/Wellington) |
| 1006 |
Te Atiawa ki Whakarongotai |
| 11 |
Te Waipounamu/Wharekauri (South Island/Chatham Islands) Region |
| 1100 |
Te Waipounamu/Wharekauri (South Island/Chatham Islands) Region, nfd |
| 1101 |
Te Atiawa (Te Waipounamu/South Island) |
| 1102 |
Ngāti Koata |
| 1103 |
Ngāti Kuia |
| 1104 |
Kāti Mamoe |
| 1105 |
Moriori |
| 1106 |
Ngāti Mutunga (Wharekauri/Chatham Islands) |
| 1107 |
Rangitāne (Te Waipounamu/South Island) |
| 1108 |
Ngāti Rārua |
| 1109 |
Ngāi Tahu / Kāi Tahu |
| 1110 |
Ngāti Tama (Te Waipounamu/South Island) |
| 1111 |
Ngāti Toarangatira (Te Waipounamu/South Island) |
| 1112 |
Waitaha (Te Waipounamu/South Island) |
| 1113 |
Ngāti Apa ki te Waipounamu |
| 20 |
Iwi Not Named, but Waka or Iwi Confederation Known |
| 2001 |
Tainui |
| 2002 |
Te Arawa |
| 2003 |
Takitimu |
| 2004 |
Aotea |
| 2005 |
Mātaatua |
| 2006 |
Mahuru |
| 2007 |
Māmari |
| 2008 |
Ngātokimatawhaorua |
| 2009 |
Nukutere |
| 2010 |
Tokomaru |
| 2011 |
Kurahaupo |
| 2012 |
Muriwhenua |
| 2013 |
Hauraki / Pare Hauraki |
| 2014 |
Turanganui a Kiwa |
| 2015 |
Te Tauihu o Te Waka a Maui |
| 2016 |
Tauranga Moana |
| 2017 |
Horouta |
| 21 |
Iwi Named but Region Unspecified |
| 2101 |
Te Atiawa, region unspecified |
| 2102 |
Ngāti Haua, region unspecified |
| 2103 |
Ngāti Maru, region unspecified |
| 2104 |
Ngāti Mutunga, region unspecified |
| 2105 |
Rangitāne, region unspecified |
| 2106 |
Ngāti Raukawa, region unspecified |
| 2107 |
Ngāti Tama, region unspecified |
| 2108 |
Ngāti Toa, region unspecified |
| 2109 |
Waitaha, region unspecified |
| 2110 |
Ngāti Apa, region unspecified |
| 22 |
Hapü Affiliated to More Than One Iwi |
| 44 |
Don't Know |
| 55 |
Refused to Answer |
| 77 |
Response Unidentifiable |
| 88 |
Response Outside Scope |
| 99 |
Not Stated |
